package com.erbao.dp.singleton;

/**
 * @author CaoBaoYin
 * @since 21/8/22 09:27
 */
public class Manager04 {
    private static Manager04 manager04;

    private Manager04() {
    }

    public static synchronized Manager04 getInstance(){
        if (manager04 == null) {
            manager04 = new Manager04();
        }
        return manager04;
    }
}
